Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    31/05/2026, 09:24

General

  • Target
    69bc6eedcb644531662093e56596fa6c9d161d9b37b0a460a438ccb003c0d129.exe
  • Size 45KB
  • Sample260531-lddyesfx2q
  • SHA256 69bc6eedcb644531662093e56596fa6c9d161d9b37b0a460a438ccb003c0d129
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • xamsex.com:443

  • xamsex.com:80

  • xamsex.com:7797

  • xamsex.com:8707

  • xamsex.com:6620

  • www.xamsex.com:443

  • www.xamsex.com:80

  • www.xamsex.com:7797

  • www.xamsex.com:8707

  • www.xamsex.com:6620

  • revil.xamsex.com:443

  • revil.xamsex.com:80

  • revil.xamsex.com:7797

  • revil.xamsex.com:8707

  • revil.xamsex.com:6620

  • sodinokibi.xamsex.com:443

  • sodinokibi.xamsex.com:80

  • sodinokibi.xamsex.com:7797

  • sodinokibi.xamsex.com:8707

  • sodinokibi.xamsex.com:6620

Mutex
  • zzzvEI1DT9VB

Attributes
  • delay

    0

  • install

    true

  • install_file

    h404eik.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • Family: AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

  • Async RAT payload 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Delays execution with timeout.exe 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 19 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\69bc6eedcb644531662093e56596fa6c9d161d9b37b0a460a438ccb003c0d129.exe
    "C:\Users\Admin\AppData\Local\Temp\69bc6eedcb644531662093e56596fa6c9d161d9b37b0a460a438ccb003c0d129.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1380
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "h404eik" /tr '"C:\Users\Admin\AppData\Roaming\h404eik.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3788
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "h404eik" /tr '"C:\Users\Admin\AppData\Roaming\h404eik.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:832
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpA1AA.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3948
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:1512
      • C:\Users\Admin\AppData\Roaming\h404eik.exe
        "C:\Users\Admin\AppData\Roaming\h404eik.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:3484
  • C:\Users\Admin\AppData\Roaming\h404eik.exe
    "C:\Users\Admin\AppData\Roaming\h404eik.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:4040

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        tmpA1AA.tmp.bat

        • Path C:\Users\Admin\AppData\Local\Temp\tmpA1AA.tmp.bat
        • Size 151B
        • SHA256 7fcf2dea86329aee0887bf729245a2fee943450f057e083dcc9d3b280b60a03e
        • MD5 SHA1 SHA512 TLSH

        h404eik.exe

        • Path C:\Users\Admin\AppData\Roaming\h404eik.exe
        • Size 45KB
        • SHA256 69bc6eedcb644531662093e56596fa6c9d161d9b37b0a460a438ccb003c0d129
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1380-0-0x00000000000E0000-0x00000000000F2000-memory.dmp

        memory/1380-1-0x0000000004B80000-0x0000000004B90000-memory.dmp

        memory/1380-2-0x0000000004B90000-0x0000000004C2C000-memory.dmp